One number exceeds another by 12. If five times the smaller number is subtracted from three times the larger number, the result is 20. Find the numbers.

解答

解答

The numbers : 20, 8

求解步骤

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

x = y + 12

3 x - 5 y = 20

x = y + 12, 3 x - 5 y = 20 : x = 20, y = 8

The numbers : 20, 8

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